A VARIABLE LENGTH AND ANGLE CROSS-LINK DEVICE

摘要

This invention is a compression lock variable length and angle cross-link device having a pair of elements, each having first ends for securing to either a rod or a pedicle screw. The elements further include second, coupling ends which are slidably coupled to one another for selective locking to one another independent of the relative separation and/or angulation of the first ends. The coupling is provided by a post (130) and a nut (150). The second end (114) of one element is narrow and is positionable within a hole (136) which extends through the post. The second end (170) of the other of the pair of elements is wider inasmuch as it includes a hole (172) through which the top of the post (138) may be positioned. The post includes a threading (140) on the portion of it that extends through the hole in the second end of the second element. In one class of embodiments, the elements and the hole have rectangular cross sections; in the alternative, each may be cylindrical.